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Identification and characterization of a chloroplast-encoded His-Asp signal transduction protein in the toxic stramenopile Heterosigma akashiwo /Jacobs, Michael A. January 2000 (has links)
Thesis (Ph. D.)--University of Washington, 2000. / Vita. Includes bibliographical references (leaves 78-94).
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Development of harmful algal blooms in a coastal lagoon: the influence of physicochemical processes and phytoplankton ecophysiologyKobryn, Arielle Jensen 30 August 2012 (has links)
This study was conducted in Esquimalt lagoon, located southwest of Victoria, British Columbia, Canada. Physical characteristics of the water column, e.g. circulation and stratification, changed seasonally resulting from variations in tides, temperature, precipitation and wind. Chemical characteristics, e.g. oxygen and dissolved nutrient concentrations, also differed temporally relative to those in the lagoon’s ocean source water (Juan de Fuca Strait) because of variations in local photosynthesis and nutrient use by phytoplankton. Diatom blooms occurred in the spring, and blooms of photosynthetic flagellates (Heterosigma akashiwo (2009) and Akashiwo sanguinea (2009 and 2010)) occurred in the late summer and early fall when nitrate, ammonium, and urea were depleted. Proliferation of these flagellates led to the development of harmful algal blooms (HABs) associated with oxygen depletion in the lagoon bottom waters. Increased oxygen demand from bacterial degradation of algal biomass and exudates was the likely cause for bottom water hypoxia under reduced tidal exchange. / Graduate
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Molecular ecological studies on effects of a marine harmful algal bloom-forming species, Heterosigma akashiwo, on prokaryotic community / 海洋性有害赤潮形成藻類Heterosigma akashiwoが原核生物群集に及ぼす影響に関する分子生態学的研究Takebe, Hiroaki 23 March 2023 (has links)
京都大学 / 新制・課程博士 / 博士(農学) / 甲第24677号 / 農博第2560号 / 新制||農||1100(附属図書館) / 学位論文||R5||N5458(農学部図書室) / 京都大学大学院農学研究科応用生物科学専攻 / (主査)教授 吉田 天士, 教授 澤山 茂樹, 准教授 神川 龍馬 / 学位規則第4条第1項該当 / Doctor of Agricultural Science / Kyoto University / DGAM
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